Verfahren und Vorrichtung zum Versiegeln von Behältnissen

摘要

A method for and an apparatus of sealing containers (16) are disclosed. Before causing thermal fusion of a thermoplastic resin sheet or film (31) and a flange of a container, the flange and thermoplastic resin sheet or film and the flange are pre-heated by respective container and sheet material pre-heaters (26,28).